A Nose And Throat Swab May Yield More Accurate COVID-19 Self-Tests
How To Take A Nose Sample

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Once you are done taking your throat and mouth sample for your COVID-19 self-test, move on to your nostrils. There is no need to insert the swab very far or apply much pressure. But do gently swipe it around the nostril at least four times, or for a total of 15 seconds. Repeat this in the other nostril.